Graham Irwin's Discussions (22)

Discussions Replied To (22) Replies Latest Activity

"Hammer and Hand make beautiful, high-end, super efficient and durable custom doors.…"

Graham Irwin replied Nov 27, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"Oh, and to eliminate the leaky "sweep" gasket at the sill, we used an outswing door…"

Graham Irwin replied Nov 27, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"On this Passivhaus retrofit in Santa Cruz (http://midorihaus.com) we used Plastpro (…"

Graham Irwin replied Nov 27, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"John, Interesting though, if you read this NREL article (https://financere.nrel.gov…"

Graham Irwin replied Oct 23, 2014 to How does efficiency factor into a grid parity world?

5 Oct 26, 2014
Reply by Bob Blanchette

"George, You raise a good question. The concept of "free and unlimited" energy is no…"

Graham Irwin replied Oct 23, 2014 to How does efficiency factor into a grid parity world?

5 Oct 26, 2014
Reply by Bob Blanchette

"http://www.nrel.gov/docs/fy14osti/61314.pdf http://www.nrel.gov/docs/fy13osti/55482.…"

Graham Irwin replied Sep 4, 2014 to Heating with Tankless Water Heater & Hydronic Air Handler vs. Gas Furnace

14 Sep 4, 2014
Reply by Graham Irwin

"Great information, thank you!"

Graham Irwin replied Aug 5, 2014 to Whole House Fans - Love 'Em or Not?

76 Jun 26
Reply by Dennis

"Useful information is the Coefficient of Performance (COP) of the whole house fan vs…"

Graham Irwin replied Aug 5, 2014 to Whole House Fans - Love 'Em or Not?

76 Jun 26
Reply by Dennis

"Thanks for the input. The next question to ask is "how much cooling power is deliver…"

Graham Irwin replied Aug 1, 2014 to Whole House Fans - Love 'Em or Not?

76 Jun 26
Reply by Dennis

"Kurt, The "large fan" is a whole house fan moving anything from 1000-4000 CFM. By co…"

Graham Irwin replied Aug 1, 2014 to Whole House Fans - Love 'Em or Not?

76 Jun 26
Reply by Dennis

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Jim Gunshinan posted a blog post

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Daniel Baur-McGuire replied to Jerry Needham's discussion Condensation on ceiling and walls of master bedroom
"Sounds like u opened the hornets nest! I would say a 2600 sq ft home shouldn't need more than…"
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Terry Hill posted an event

Passive House Institute US 2018 Conference at Boston

September 19, 2018 at 6pm to September 23, 2018 at 7pm
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Jerry Needham replied to Jerry Needham's discussion Condensation on ceiling and walls of master bedroom
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Gabriel Rojas joined Don Fugler's group
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